How likely are you to die from flying in a plane, or taking the bus? What about getting your head stuck in a hole? We’ve evolved to be very attuned to physical threats - animal attacks, heights, and the deep ocean are some of the most common phobias. However, six million years of evolution did not prepare us for the modern world; We know logically that cars, planes, automatic machinery, and invisible illnesses are all dangerous, but we aren’t wired in the same way to be scared of them.